/**
Swap two image records.
@param FirstImageRecord first image record.
@param SecondImageRecord second image record.
**/
STATIC
VOID
SwapImageRecord (
IN IMAGE_PROPERTIES_RECORD *FirstImageRecord,
IN IMAGE_PROPERTIES_RECORD *SecondImageRecord
)
{
IMAGE_PROPERTIES_RECORD TempImageRecord;
TempImageRecord.ImageBase = FirstImageRecord->ImageBase;
TempImageRecord.ImageSize = FirstImageRecord->ImageSize;
TempImageRecord.CodeSegmentCount = FirstImageRecord->CodeSegmentCount;
FirstImageRecord->ImageBase = SecondImageRecord->ImageBase;
FirstImageRecord->ImageSize = SecondImageRecord->ImageSize;
FirstImageRecord->CodeSegmentCount = SecondImageRecord->CodeSegmentCount;
SecondImageRecord->ImageBase = TempImageRecord.ImageBase;
SecondImageRecord->ImageSize = TempImageRecord.ImageSize;
SecondImageRecord->CodeSegmentCount = TempImageRecord.CodeSegmentCount;
SwapListEntries (&FirstImageRecord->CodeSegmentList, &SecondImageRecord->CodeSegmentList);
}
/**
Get selection for OneOf and OrderedList (Left/Right will be ignored).
@param Selection Pointer to current selection.
@param MenuOption Pointer to the current input menu.
@retval EFI_SUCCESS If Option input is processed successfully
@retval EFI_DEVICE_ERROR If operation fails
**/
EFI_STATUS
GetSelectionInputPopUp (
IN UI_MENU_SELECTION *Selection,
IN UI_MENU_OPTION *MenuOption
)
{
EFI_STATUS Status;
EFI_INPUT_KEY Key;
UINTN Index;
CHAR16 *StringPtr;
CHAR16 *TempStringPtr;
UINTN Index2;
UINTN TopOptionIndex;
UINTN HighlightOptionIndex;
UINTN Start;
UINTN End;
UINTN Top;
UINTN Bottom;
UINTN PopUpMenuLines;
UINTN MenuLinesInView;
UINTN PopUpWidth;
CHAR16 Character;
INT32 SavedAttribute;
BOOLEAN ShowDownArrow;
BOOLEAN ShowUpArrow;
UINTN DimensionsWidth;
LIST_ENTRY *Link;
BOOLEAN OrderedList;
UINT8 *ValueArray;
UINT8 ValueType;
EFI_HII_VALUE HiiValue;
EFI_HII_VALUE *HiiValueArray;
UINTN OptionCount;
QUESTION_OPTION *OneOfOption;
QUESTION_OPTION *CurrentOption;
FORM_BROWSER_STATEMENT *Question;
INTN Result;
DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
ValueArray = NULL;
ValueType = 0;
CurrentOption = NULL;
ShowDownArrow = FALSE;
ShowUpArrow = FALSE;
StringPtr = AllocateZeroPool ((gOptionBlockWidth + 1) * 2);
ASSERT (StringPtr);
Question = MenuOption->ThisTag;
if (Question->Operand == EFI_IFR_ORDERED_LIST_OP) {
ValueArray = Question->BufferValue;
ValueType = Question->ValueType;
OrderedList = TRUE;
} else {
OrderedList = FALSE;
}
//
// Calculate Option count
//
if (OrderedList) {
for (Index = 0; Index < Question->MaxContainers; Index++) {
if (GetArrayData (ValueArray, ValueType, Index) == 0) {
break;
}
}
OptionCount = Index;
} else {
OptionCount = 0;
Link = GetFirstNode (&Question->OptionListHead);
while (!IsNull (&Question->OptionListHead, Link)) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
OptionCount++;
Link = GetNextNode (&Question->OptionListHead, Link);
}
}
//
// Prepare HiiValue array
//
HiiValueArray = AllocateZeroPool (OptionCount * sizeof (EFI_HII_VALUE));
ASSERT (HiiValueArray != NULL);
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < OptionCount; Index++) {
if (OrderedList) {
HiiValueArray[Index].Type = ValueType;
HiiValueArray[Index].Value.u64 = GetArrayData (ValueArray, ValueType, Index);
} else {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
CopyMem (&HiiValueArray[Index], &OneOfOption->Value, sizeof (EFI_HII_VALUE));
Link = GetNextNode (&Question->OptionListHead, Link);
}
}
//
// Move Suppressed Option to list tail
//
PopUpMenuLines = 0;
for (Index = 0; Index < OptionCount; Index++) {
OneOfOption = ValueToOption (Question, &HiiValueArray[OptionCount - Index - 1]);
if (OneOfOption == NULL) {
return EFI_NOT_FOUND;
}
RemoveEntryList (&OneOfOption->Link);
if ((OneOfOption->SuppressExpression != NULL) &&
EvaluateExpressionList(OneOfOption->SuppressExpression, FALSE, NULL, NULL) != ExpressFalse) {
//
// This option is suppressed, insert to tail
//
InsertTailList (&Question->OptionListHead, &OneOfOption->Link);
} else {
//
// Insert to head
//
InsertHeadList (&Question->OptionListHead, &OneOfOption->Link);
PopUpMenuLines++;
}
}
//
// Get the number of one of options present and its size
//
PopUpWidth = 0;
HighlightOptionIndex = 0;
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < PopUpMenuLines; Index++) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
StringPtr = GetToken (OneOfOption->Text, MenuOption->Handle);
if (StrLen (StringPtr) > PopUpWidth) {
PopUpWidth = StrLen (StringPtr);
}
FreePool (StringPtr);
if (!OrderedList && (CompareHiiValue (&Question->HiiValue, &OneOfOption->Value, &Result, NULL) == EFI_SUCCESS) && (Result == 0)) {
//
// Find current selected Option for OneOf
//
HighlightOptionIndex = Index;
}
Link = GetNextNode (&Question->OptionListHead, Link);
}
//
// Perform popup menu initialization.
//
PopUpWidth = PopUpWidth + POPUP_PAD_SPACE_COUNT;
SavedAttribute = gST->ConOut->Mode->Attribute;
gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
if ((PopUpWidth + POPUP_FRAME_WIDTH) > DimensionsWidth) {
PopUpWidth = DimensionsWidth - POPUP_FRAME_WIDTH;
}
Start = (DimensionsWidth - PopUpWidth - POPUP_FRAME_WIDTH) / 2 + gScreenDimensions.LeftColumn;
End = Start + PopUpWidth + POPUP_FRAME_WIDTH;
Top = gScreenDimensions.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT;
Bottom = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight - 1;
MenuLinesInView = Bottom - Top - 1;
if (MenuLinesInView >= PopUpMenuLines) {
Top = Top + (MenuLinesInView - PopUpMenuLines) / 2;
Bottom = Top + PopUpMenuLines + 1;
} else {
ShowDownArrow = TRUE;
}
if (HighlightOptionIndex > (MenuLinesInView - 1)) {
TopOptionIndex = HighlightOptionIndex - MenuLinesInView + 1;
} else {
TopOptionIndex = 0;
}
do {
//
// Clear that portion of the screen
//
ClearLines (Start, End, Top, Bottom, POPUP_TEXT | POPUP_BACKGROUND);
//
// Draw "One of" pop-up menu
//
Character = BOXDRAW_DOWN_RIGHT;
PrintCharAt (Start, Top, Character);
for (Index = Start; Index + 2 < End; Index++) {
if ((ShowUpArrow) && ((Index + 1) == (Start + End) / 2)) {
Character = GEOMETRICSHAPE_UP_TRIANGLE;
} else {
Character = BOXDRAW_HORIZONTAL;
}
PrintChar (Character);
}
Character = BOXDRAW_DOWN_LEFT;
PrintChar (Character);
Character = BOXDRAW_VERTICAL;
for (Index = Top + 1; Index < Bottom; Index++) {
PrintCharAt (Start, Index, Character);
PrintCharAt (End - 1, Index, Character);
}
//
// Move to top Option
//
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < TopOptionIndex; Index++) {
Link = GetNextNode (&Question->OptionListHead, Link);
}
//
// Display the One of options
//
Index2 = Top + 1;
for (Index = TopOptionIndex; (Index < PopUpMenuLines) && (Index2 < Bottom); Index++) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
Link = GetNextNode (&Question->OptionListHead, Link);
StringPtr = GetToken (OneOfOption->Text, MenuOption->Handle);
ASSERT (StringPtr != NULL);
//
// If the string occupies multiple lines, truncate it to fit in one line,
// and append a "..." for indication.
//
if (StrLen (StringPtr) > (PopUpWidth - 1)) {
TempStringPtr = AllocateZeroPool (sizeof (CHAR16) * (PopUpWidth - 1));
ASSERT ( TempStringPtr != NULL );
CopyMem (TempStringPtr, StringPtr, (sizeof (CHAR16) * (PopUpWidth - 5)));
FreePool (StringPtr);
StringPtr = TempStringPtr;
StrCat (StringPtr, L"...");
}
if (Index == HighlightOptionIndex) {
//
// Highlight the selected one
//
CurrentOption = OneOfOption;
gST->ConOut->SetAttribute (gST->ConOut, PICKLIST_HIGHLIGHT_TEXT | PICKLIST_HIGHLIGHT_BACKGROUND);
PrintStringAt (Start + 2, Index2, StringPtr);
gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
} else {
gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
PrintStringAt (Start + 2, Index2, StringPtr);
}
Index2++;
FreePool (StringPtr);
}
Character = BOXDRAW_UP_RIGHT;
PrintCharAt (Start, Bottom, Character);
for (Index = Start; Index + 2 < End; Index++) {
if ((ShowDownArrow) && ((Index + 1) == (Start + End) / 2)) {
Character = GEOMETRICSHAPE_DOWN_TRIANGLE;
} else {
Character = BOXDRAW_HORIZONTAL;
}
PrintChar (Character);
}
Character = BOXDRAW_UP_LEFT;
PrintChar (Character);
//
// Get User selection
//
Key.UnicodeChar = CHAR_NULL;
if ((gDirection == SCAN_UP) || (gDirection == SCAN_DOWN)) {
Key.ScanCode = gDirection;
gDirection = 0;
goto TheKey;
}
Status = WaitForKeyStroke (&Key);
TheKey:
switch (Key.UnicodeChar) {
case '+':
if (OrderedList) {
if ((TopOptionIndex > 0) && (TopOptionIndex == HighlightOptionIndex)) {
//
// Highlight reaches the top of the popup window, scroll one menu item.
//
TopOptionIndex--;
ShowDownArrow = TRUE;
}
if (TopOptionIndex == 0) {
ShowUpArrow = FALSE;
}
if (HighlightOptionIndex > 0) {
HighlightOptionIndex--;
ASSERT (CurrentOption != NULL);
SwapListEntries (CurrentOption->Link.BackLink, &CurrentOption->Link);
}
}
break;
case '-':
//
// If an ordered list op-code, we will allow for a popup of +/- keys
// to create an ordered list of items
//
if (OrderedList) {
if (((TopOptionIndex + MenuLinesInView) < PopUpMenuLines) &&
(HighlightOptionIndex == (TopOptionIndex + MenuLinesInView - 1))) {
//
// Highlight reaches the bottom of the popup window, scroll one menu item.
//
TopOptionIndex++;
ShowUpArrow = TRUE;
}
if ((TopOptionIndex + MenuLinesInView) == PopUpMenuLines) {
ShowDownArrow = FALSE;
}
if (HighlightOptionIndex < (PopUpMenuLines - 1)) {
HighlightOptionIndex++;
ASSERT (CurrentOption != NULL);
SwapListEntries (&CurrentOption->Link, CurrentOption->Link.ForwardLink);
}
}
break;
case CHAR_NULL:
switch (Key.ScanCode) {
case SCAN_UP:
case SCAN_DOWN:
if (Key.ScanCode == SCAN_UP) {
if ((TopOptionIndex > 0) && (TopOptionIndex == HighlightOptionIndex)) {
//
// Highlight reaches the top of the popup window, scroll one menu item.
//
TopOptionIndex--;
ShowDownArrow = TRUE;
}
if (TopOptionIndex == 0) {
ShowUpArrow = FALSE;
}
if (HighlightOptionIndex > 0) {
HighlightOptionIndex--;
}
} else {
if (((TopOptionIndex + MenuLinesInView) < PopUpMenuLines) &&
(HighlightOptionIndex == (TopOptionIndex + MenuLinesInView - 1))) {
//
// Highlight reaches the bottom of the popup window, scroll one menu item.
//
TopOptionIndex++;
ShowUpArrow = TRUE;
}
if ((TopOptionIndex + MenuLinesInView) == PopUpMenuLines) {
ShowDownArrow = FALSE;
}
if (HighlightOptionIndex < (PopUpMenuLines - 1)) {
HighlightOptionIndex++;
}
}
break;
case SCAN_ESC:
gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
//
// Restore link list order for orderedlist
//
if (OrderedList) {
HiiValue.Type = ValueType;
HiiValue.Value.u64 = 0;
for (Index = 0; Index < Question->MaxContainers; Index++) {
HiiValue.Value.u64 = GetArrayData (ValueArray, ValueType, Index);
if (HiiValue.Value.u64 == 0) {
break;
}
OneOfOption = ValueToOption (Question, &HiiValue);
if (OneOfOption == NULL) {
return EFI_NOT_FOUND;
}
RemoveEntryList (&OneOfOption->Link);
InsertTailList (&Question->OptionListHead, &OneOfOption->Link);
}
}
FreePool (HiiValueArray);
return EFI_DEVICE_ERROR;
default:
break;
}
break;
case CHAR_CARRIAGE_RETURN:
//
// return the current selection
//
if (OrderedList) {
Index = 0;
Link = GetFirstNode (&Question->OptionListHead);
while (!IsNull (&Question->OptionListHead, Link)) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
SetArrayData (ValueArray, ValueType, Index, OneOfOption->Value.Value.u64);
Index++;
if (Index > Question->MaxContainers) {
break;
}
Link = GetNextNode (&Question->OptionListHead, Link);
}
} else {
ASSERT (CurrentOption != NULL);
CopyMem (&Question->HiiValue, &CurrentOption->Value, sizeof (EFI_HII_VALUE));
}
gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
FreePool (HiiValueArray);
Status = ValidateQuestion (Selection->FormSet, Selection->Form, Question, EFI_HII_EXPRESSION_INCONSISTENT_IF);
if (EFI_ERROR (Status)) {
//
// Input value is not valid, restore Question Value
//
GetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
} else {
SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
UpdateStatusBar (Selection, NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
}
return Status;
default:
break;
}
} while (TRUE);
}
/**
Get selection for OneOf and OrderedList (Left/Right will be ignored).
@param MenuOption Pointer to the current input menu.
@retval EFI_SUCCESS If Option input is processed successfully
@retval EFI_DEVICE_ERROR If operation fails
**/
EFI_STATUS
GetSelectionInputPopUp (
IN UI_MENU_OPTION *MenuOption
)
{
EFI_STATUS Status;
EFI_INPUT_KEY Key;
UINTN Index;
CHAR16 *StringPtr;
CHAR16 *TempStringPtr;
UINTN Index2;
UINTN TopOptionIndex;
UINTN HighlightOptionIndex;
UINTN Start;
UINTN End;
UINTN Top;
UINTN Bottom;
UINTN PopUpMenuLines;
UINTN MenuLinesInView;
UINTN PopUpWidth;
CHAR16 Character;
INT32 SavedAttribute;
BOOLEAN ShowDownArrow;
BOOLEAN ShowUpArrow;
UINTN DimensionsWidth;
LIST_ENTRY *Link;
BOOLEAN OrderedList;
UINT8 *ValueArray;
UINT8 *ReturnValue;
UINT8 ValueType;
EFI_HII_VALUE HiiValue;
DISPLAY_QUESTION_OPTION *OneOfOption;
DISPLAY_QUESTION_OPTION *CurrentOption;
FORM_DISPLAY_ENGINE_STATEMENT *Question;
INTN Result;
EFI_IFR_ORDERED_LIST *OrderList;
DimensionsWidth = gStatementDimensions.RightColumn - gStatementDimensions.LeftColumn;
ValueArray = NULL;
ValueType = 0;
CurrentOption = NULL;
ShowDownArrow = FALSE;
ShowUpArrow = FALSE;
StringPtr = AllocateZeroPool ((gOptionBlockWidth + 1) * 2);
ASSERT (StringPtr);
ZeroMem (&HiiValue, sizeof (EFI_HII_VALUE));
Question = MenuOption->ThisTag;
if (Question->OpCode->OpCode == EFI_IFR_ORDERED_LIST_OP) {
Link = GetFirstNode (&Question->OptionListHead);
OneOfOption = DISPLAY_QUESTION_OPTION_FROM_LINK (Link);
ValueArray = Question->CurrentValue.Buffer;
ValueType = OneOfOption->OptionOpCode->Type;
OrderedList = TRUE;
OrderList = (EFI_IFR_ORDERED_LIST *) Question->OpCode;
} else {
OrderedList = FALSE;
OrderList = NULL;
}
//
// Calculate Option count
//
PopUpMenuLines = 0;
if (OrderedList) {
AdjustOptionOrder(Question, &PopUpMenuLines);
} else {
Link = GetFirstNode (&Question->OptionListHead);
while (!IsNull (&Question->OptionListHead, Link)) {
OneOfOption = DISPLAY_QUESTION_OPTION_FROM_LINK (Link);
PopUpMenuLines++;
Link = GetNextNode (&Question->OptionListHead, Link);
}
}
//
// Get the number of one of options present and its size
//
PopUpWidth = 0;
HighlightOptionIndex = 0;
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < PopUpMenuLines; Index++) {
OneOfOption = DISPLAY_QUESTION_OPTION_FROM_LINK (Link);
StringPtr = GetToken (OneOfOption->OptionOpCode->Option, gFormData->HiiHandle);
if (StrLen (StringPtr) > PopUpWidth) {
PopUpWidth = StrLen (StringPtr);
}
FreePool (StringPtr);
HiiValue.Type = OneOfOption->OptionOpCode->Type;
SetValuesByType (&HiiValue.Value, &OneOfOption->OptionOpCode->Value, HiiValue.Type);
if (!OrderedList && (CompareHiiValue (&Question->CurrentValue, &HiiValue, &Result, NULL) == EFI_SUCCESS) && (Result == 0)) {
//
// Find current selected Option for OneOf
//
HighlightOptionIndex = Index;
}
Link = GetNextNode (&Question->OptionListHead, Link);
}
//
// Perform popup menu initialization.
//
PopUpWidth = PopUpWidth + POPUP_PAD_SPACE_COUNT;
SavedAttribute = gST->ConOut->Mode->Attribute;
gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());
if ((PopUpWidth + POPUP_FRAME_WIDTH) > DimensionsWidth) {
PopUpWidth = DimensionsWidth - POPUP_FRAME_WIDTH;
}
Start = (DimensionsWidth - PopUpWidth - POPUP_FRAME_WIDTH) / 2 + gStatementDimensions.LeftColumn;
End = Start + PopUpWidth + POPUP_FRAME_WIDTH;
Top = gStatementDimensions.TopRow;
Bottom = gStatementDimensions.BottomRow - 1;
MenuLinesInView = Bottom - Top - 1;
if (MenuLinesInView >= PopUpMenuLines) {
Top = Top + (MenuLinesInView - PopUpMenuLines) / 2;
Bottom = Top + PopUpMenuLines + 1;
} else {
ShowDownArrow = TRUE;
}
if (HighlightOptionIndex > (MenuLinesInView - 1)) {
TopOptionIndex = HighlightOptionIndex - MenuLinesInView + 1;
} else {
TopOptionIndex = 0;
}
do {
//
// Clear that portion of the screen
//
ClearLines (Start, End, Top, Bottom, GetPopupColor ());
//
// Draw "One of" pop-up menu
//
Character = BOXDRAW_DOWN_RIGHT;
PrintCharAt (Start, Top, Character);
for (Index = Start; Index + 2 < End; Index++) {
if ((ShowUpArrow) && ((Index + 1) == (Start + End) / 2)) {
Character = GEOMETRICSHAPE_UP_TRIANGLE;
} else {
Character = BOXDRAW_HORIZONTAL;
}
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
}
Character = BOXDRAW_DOWN_LEFT;
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
Character = BOXDRAW_VERTICAL;
for (Index = Top + 1; Index < Bottom; Index++) {
PrintCharAt (Start, Index, Character);
PrintCharAt (End - 1, Index, Character);
}
//
// Move to top Option
//
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < TopOptionIndex; Index++) {
Link = GetNextNode (&Question->OptionListHead, Link);
}
//
// Display the One of options
//
Index2 = Top + 1;
for (Index = TopOptionIndex; (Index < PopUpMenuLines) && (Index2 < Bottom); Index++) {
OneOfOption = DISPLAY_QUESTION_OPTION_FROM_LINK (Link);
Link = GetNextNode (&Question->OptionListHead, Link);
StringPtr = GetToken (OneOfOption->OptionOpCode->Option, gFormData->HiiHandle);
ASSERT (StringPtr != NULL);
//
// If the string occupies multiple lines, truncate it to fit in one line,
// and append a "..." for indication.
//
if (StrLen (StringPtr) > (PopUpWidth - 1)) {
TempStringPtr = AllocateZeroPool (sizeof (CHAR16) * (PopUpWidth - 1));
ASSERT ( TempStringPtr != NULL );
CopyMem (TempStringPtr, StringPtr, (sizeof (CHAR16) * (PopUpWidth - 5)));
FreePool (StringPtr);
StringPtr = TempStringPtr;
StrCat (StringPtr, L"...");
}
if (Index == HighlightOptionIndex) {
//
// Highlight the selected one
//
CurrentOption = OneOfOption;
gST->ConOut->SetAttribute (gST->ConOut, GetPickListColor ());
PrintStringAt (Start + 2, Index2, StringPtr);
gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());
} else {
gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());
PrintStringAt (Start + 2, Index2, StringPtr);
}
Index2++;
FreePool (StringPtr);
}
Character = BOXDRAW_UP_RIGHT;
PrintCharAt (Start, Bottom, Character);
for (Index = Start; Index + 2 < End; Index++) {
if ((ShowDownArrow) && ((Index + 1) == (Start + End) / 2)) {
Character = GEOMETRICSHAPE_DOWN_TRIANGLE;
} else {
Character = BOXDRAW_HORIZONTAL;
}
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
}
Character = BOXDRAW_UP_LEFT;
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
//
// Get User selection
//
Key.UnicodeChar = CHAR_NULL;
if ((gDirection == SCAN_UP) || (gDirection == SCAN_DOWN)) {
Key.ScanCode = gDirection;
gDirection = 0;
goto TheKey;
}
Status = WaitForKeyStroke (&Key);
TheKey:
switch (Key.UnicodeChar) {
case '+':
if (OrderedList) {
if ((TopOptionIndex > 0) && (TopOptionIndex == HighlightOptionIndex)) {
//
// Highlight reaches the top of the popup window, scroll one menu item.
//
TopOptionIndex--;
ShowDownArrow = TRUE;
}
if (TopOptionIndex == 0) {
ShowUpArrow = FALSE;
}
if (HighlightOptionIndex > 0) {
HighlightOptionIndex--;
ASSERT (CurrentOption != NULL);
SwapListEntries (CurrentOption->Link.BackLink, &CurrentOption->Link);
}
}
break;
case '-':
//
// If an ordered list op-code, we will allow for a popup of +/- keys
// to create an ordered list of items
//
if (OrderedList) {
if (((TopOptionIndex + MenuLinesInView) < PopUpMenuLines) &&
(HighlightOptionIndex == (TopOptionIndex + MenuLinesInView - 1))) {
//
// Highlight reaches the bottom of the popup window, scroll one menu item.
//
TopOptionIndex++;
ShowUpArrow = TRUE;
}
if ((TopOptionIndex + MenuLinesInView) == PopUpMenuLines) {
ShowDownArrow = FALSE;
}
if (HighlightOptionIndex < (PopUpMenuLines - 1)) {
HighlightOptionIndex++;
ASSERT (CurrentOption != NULL);
SwapListEntries (&CurrentOption->Link, CurrentOption->Link.ForwardLink);
}
}
break;
case CHAR_NULL:
switch (Key.ScanCode) {
case SCAN_UP:
case SCAN_DOWN:
if (Key.ScanCode == SCAN_UP) {
if ((TopOptionIndex > 0) && (TopOptionIndex == HighlightOptionIndex)) {
//
// Highlight reaches the top of the popup window, scroll one menu item.
//
TopOptionIndex--;
ShowDownArrow = TRUE;
}
if (TopOptionIndex == 0) {
ShowUpArrow = FALSE;
}
if (HighlightOptionIndex > 0) {
HighlightOptionIndex--;
}
} else {
if (((TopOptionIndex + MenuLinesInView) < PopUpMenuLines) &&
(HighlightOptionIndex == (TopOptionIndex + MenuLinesInView - 1))) {
//
// Highlight reaches the bottom of the popup window, scroll one menu item.
//
TopOptionIndex++;
ShowUpArrow = TRUE;
}
if ((TopOptionIndex + MenuLinesInView) == PopUpMenuLines) {
ShowDownArrow = FALSE;
}
if (HighlightOptionIndex < (PopUpMenuLines - 1)) {
HighlightOptionIndex++;
}
}
break;
case SCAN_ESC:
gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
//
// Restore link list order for orderedlist
//
if (OrderedList) {
HiiValue.Type = ValueType;
HiiValue.Value.u64 = 0;
for (Index = 0; Index < OrderList->MaxContainers; Index++) {
HiiValue.Value.u64 = GetArrayData (ValueArray, ValueType, Index);
if (HiiValue.Value.u64 == 0) {
break;
}
OneOfOption = ValueToOption (Question, &HiiValue);
if (OneOfOption == NULL) {
return EFI_NOT_FOUND;
}
RemoveEntryList (&OneOfOption->Link);
InsertTailList (&Question->OptionListHead, &OneOfOption->Link);
}
}
return EFI_DEVICE_ERROR;
default:
break;
}
break;
case CHAR_CARRIAGE_RETURN:
//
// return the current selection
//
if (OrderedList) {
ReturnValue = AllocateZeroPool (Question->CurrentValue.BufferLen);
ASSERT (ReturnValue != NULL);
Index = 0;
Link = GetFirstNode (&Question->OptionListHead);
while (!IsNull (&Question->OptionListHead, Link)) {
OneOfOption = DISPLAY_QUESTION_OPTION_FROM_LINK (Link);
Link = GetNextNode (&Question->OptionListHead, Link);
SetArrayData (ReturnValue, ValueType, Index, OneOfOption->OptionOpCode->Value.u64);
Index++;
if (Index > OrderList->MaxContainers) {
break;
}
}
if (CompareMem (ReturnValue, ValueArray, Question->CurrentValue.BufferLen) == 0) {
FreePool (ReturnValue);
return EFI_DEVICE_ERROR;
} else {
gUserInput->InputValue.Buffer = ReturnValue;
gUserInput->InputValue.BufferLen = Question->CurrentValue.BufferLen;
Status = EFI_SUCCESS;
}
} else {
ASSERT (CurrentOption != NULL);
gUserInput->InputValue.Type = CurrentOption->OptionOpCode->Type;
if (IsValuesEqual (&Question->CurrentValue.Value, &CurrentOption->OptionOpCode->Value, gUserInput->InputValue.Type)) {
return EFI_DEVICE_ERROR;
} else {
SetValuesByType (&gUserInput->InputValue.Value, &CurrentOption->OptionOpCode->Value, gUserInput->InputValue.Type);
Status = EFI_SUCCESS;
}
}
gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
return EFI_SUCCESS;
default:
break;
}
} while (TRUE);
}
/**
Reorder boot options
Ask for the boot option to move and then move it when up or down arrows
are pressed. This function is called when the user selects the "Reorder Boot
Device Entries" entry in the boot manager menu.
The order of the boot options in BootOptionList and in the UEFI BootOrder
global variable are kept coherent until the user confirm his reordering (ie:
he does not exit by pressing escape).
@param[in] BootOptionsList List of the boot devices constructed in
BootMenuMain()
@retval EFI_SUCCESS No error encountered.
@retval !EFI_SUCCESS An error has occured either in the selection of the
boot option to move or while interacting with the user.
**/
STATIC
EFI_STATUS
BootMenuReorderBootOptions (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
BDS_LOAD_OPTION_ENTRY *BootOptionEntry;
LIST_ENTRY *SelectedEntry;
LIST_ENTRY *PrevEntry;
BOOLEAN Move;
BOOLEAN Save;
BOOLEAN Cancel;
UINTN WaitIndex;
EFI_INPUT_KEY Key;
LIST_ENTRY *SecondEntry;
UINTN BootOrderSize;
UINT16 *BootOrder;
LIST_ENTRY *Entry;
UINTN Index;
DisplayBootOptions (BootOptionsList);
// Ask to select the boot option to move
while (TRUE) {
Status = SelectBootOption (BootOptionsList, MOVE_BOOT_ENTRY, &BootOptionEntry);
if (EFI_ERROR (Status)) {
goto ErrorExit;
}
SelectedEntry = &BootOptionEntry->Link;
SecondEntry = NULL;
// Note down the previous entry in the list to be able to cancel changes
PrevEntry = GetPreviousNode (BootOptionsList, SelectedEntry);
// Start of interaction
while (TRUE) {
Print (
L"* Use up/down arrows to move the entry '%s'",
BootOptionEntry->BdsLoadOption->Description
);
// Wait for a move, save or cancel request
Move = FALSE;
Save = FALSE;
Cancel = FALSE;
do {
Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &WaitIndex);
if (!EFI_ERROR (Status)) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
if (EFI_ERROR (Status)) {
Print (L"\n");
goto ErrorExit;
}
switch (Key.ScanCode) {
case SCAN_NULL:
Save = (Key.UnicodeChar == CHAR_LINEFEED) ||
(Key.UnicodeChar == CHAR_CARRIAGE_RETURN) ||
(Key.UnicodeChar == 0x7f);
break;
case SCAN_UP:
SecondEntry = GetPreviousNode (BootOptionsList, SelectedEntry);
Move = SecondEntry != BootOptionsList;
break;
case SCAN_DOWN:
SecondEntry = GetNextNode (BootOptionsList, SelectedEntry);
Move = SecondEntry != BootOptionsList;
break;
case SCAN_ESC:
Cancel = TRUE;
break;
}
} while ((!Move) && (!Save) && (!Cancel));
if (Move) {
if ((SelectedEntry != NULL) && (SecondEntry != NULL)) {
SwapListEntries (SelectedEntry, SecondEntry);
}
} else {
if (Save) {
Status = GetGlobalEnvironmentVariable (
L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder
);
BootOrderSize /= sizeof (UINT16);
if (!EFI_ERROR (Status)) {
// The order of the boot options in the 'BootOptionsList' is the
// new order that has been just defined by the user. Save this new
// order in "BootOrder" UEFI global variable.
Entry = GetFirstNode (BootOptionsList);
for (Index = 0; Index < BootOrderSize; Index++) {
BootOrder[Index] = (LOAD_OPTION_FROM_LINK (Entry))->LoadOptionIndex;
Entry = GetNextNode (BootOptionsList, Entry);
}
Status = gRT->SetVariable (
(CHAR16*)L"BootOrder",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
BootOrderSize * sizeof (UINT16),
BootOrder
);
FreePool (BootOrder);
}
if (EFI_ERROR (Status)) {
Print (L"\nAn error occurred, move not completed!\n");
Cancel = TRUE;
}
}
if (Cancel) {
//
// Restore initial position of the selected boot option
//
RemoveEntryList (SelectedEntry);
InsertHeadList (PrevEntry, SelectedEntry);
}
}
Print (L"\n");
DisplayBootOptions (BootOptionsList);
// Saved or cancelled, back to the choice of boot option to move
if (!Move) {
break;
}
}
}
ErrorExit:
return Status ;
}
